it's/that's all rightused to reply to someone who thanks you or says they are sorry about something 别客气;不要紧〔用于回答对方的感谢或道歉〕 ‘Thanks for all your help!’ ‘That’s quite all right.’ “谢谢你帮了我那么多!”“不必客气。”
quite all right• Receptionist: That will be quite all right, Mrs Jones.• This would be quite all right with the legal department.
→ it’s/that’s all right at all right(3)